Both his grandfathers were fired with an enthusiasm for public speaking.他的祖父和外公都热衷于演说。This generation can match their fathers and grandfathers in ability, in courage, and in resolution.这一代的能力 、 勇气和决心能与祖辈并驾齐驱.Then there w...
当压力改变时,阀帽容易上下移动.Bonnet tendency to move up or down as pressure changes.阀帽: 不需要将阀门从管路中拆除,就可以进入维护铰链和阀瓣.Cap: permits access to hinge and disc without removing valve from line.止回阀标签通常安置在阀帽的边缘上.Check valve tags are typically ...
Function: Use PWM 6 output PWM signal, by filtering electrical realize DAC conversion.功能: 使用PWM6输出PWM信号, 通过滤波电实现DAC转换.The third column of Table 1 gives the normalized DAC output after an optional current - to - voltage c...
It was a slightly scaled - down version of the Beatlemania of past days.这只稍逊于当年的披头士狂热.It is a slightly scaled - down version of the beatlemania of past days.这只稍逊于当年的披头四狂热.Beatlemania came to North America in early 1964, ...
In micrographics a device for holding a frame, or frames, of microfilm.在缩微图形技术中,用于固定一帧或多帧缩微胶片的装置.In micrographics, a device that enlarges microimages for viewing.在缩微照相技术中, 放大图形以便观察的一种设备....